1. Structuring the pre-search reference interview: a useful technique for handling clinical questions;Booth;Bull. Med. Libr. Assoc.,2000
2. Beyond PICO;Cooke;Qual. Health Res.,2012
3. To make your case, start with a PICOT question;Echevarria;Nursing,2014
4. The impact of patient, intervention, comparison, outcome (PICO) as a search strategy tool on literature search quality: a systematic review;Eriksen;J. Med. Libr. Assoc. JMLA,2018
5. The underappreciated and misunderstood PICOT question: a critical step in the EBP process;Gallagher Ford;World Evid. Nurs.,2019